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Finding the Fourth Proportional to 247,470.48, 371,205.60 and 89,698.68

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Solution

The fourth proportional to 247,470.48, 371,205.60 and 89,698.68 is: 134,547.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,470.48 : 371,205.60 = 89,698.68 : x
  2. Step 2: Convert to fraction form
    247,470.48/371,205.60 = 89,698.68/x
  3. Step 3: Cross multiply
    247,470.48x = 371,205.60 × 89,698.68
  4. Step 4: Simplify right side
    247,470.48x = 33,296,652,328.61
  5. Step 5: Solve for x
    x = 33,296,652,328.61/247,470.48
  6. Step 6: Final answer
    x = 134,547.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.